血液中哪种可溶性粘附因子水平的测定可作为疾病严重程度及预后的辅助诊断指标()
A.P-选择素
B.E-选择素
C.L-选择素
D.整合素
E.粘蛋白样家族
参考答案:B
当要进行______处理操作时,应该使用宏而不是VBA。
A.在首次打开数据库时,执行一个或一系列操作
B.数据库的复杂操作和维护
C.自定义过程的创建和使用
D.一些错误处理
根据句意,用所给单词的适当形式填空。
1. His dream home is quite different from_________ (she).
2. The __________ (rob) homes are in the same building. They are thirty years old.
3. Do you think the people there are __________ (friend) to you?
4. There are many books on these __________ (shelf).
5. There is __________ (little) air pollution here than in other areas.